Home / 11,175.72-16,764.39-3,385.14

Finding the Fourth Proportional to 11,175.72, 16,764.39 and 3,385.14

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Solution

The fourth proportional to 11,175.72, 16,764.39 and 3,385.14 is: 5,077.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.72 : 16,764.39 = 3,385.14 : x
  2. Step 2: Convert to fraction form
    11,175.72/16,764.39 = 3,385.14/x
  3. Step 3: Cross multiply
    11,175.72x = 16,764.39 × 3,385.14
  4. Step 4: Simplify right side
    11,175.72x = 56,749,807.16
  5. Step 5: Solve for x
    x = 56,749,807.16/11,175.72
  6. Step 6: Final answer
    x = 5,077.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.